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    <table border="1" width="400" height="400">
        <caption>
            <h6>优秀学生信息</h6>
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        <!-- 新建可读标题 -->
        <!-- h1最大h6最小这样 -->
        <tr>
            <thead>
                <th>年级</th>
                <th>姓名</th>
                <th>学号</th>
                <th>班级</th>
            </thead>
        </tr>
        <tbody>
            <tr>
                <td rowspan="2">高三 </td>
                <td>张三</td>
                <td>110</td>
                <td>三年二班</td>

            </tr>
            <tr>
                <td>赵四</td>
                <td>120</td>
                <td>三年三班</td>
            </tr>
        </tbody>
        <tfoot>
            <tr>
                <td>评语</td>
                <td colspan="3">你们都很优秀</td>
            </tr>
        </tfoot>


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